30972500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{953}}^1$

素因数の和:990

約数の個数: 60

約数和(自身を含む): 73017252

約数和(自身を除く): 42044752

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 953, 1250, 1300, 1625, 1906, 2500, 3250, 3812, 4765, 6500, 8125, 9530, 12389, 16250, 19060, 23825, 24778, 32500, 47650, 49556, 61945, 95300, 119125, 123890, 238250, 247780, 309725, 476500, 595625, 619450, 1191250, 1238900, 1548625, 2382500, 3097250, 6194500, 7743125, 15486250, 30972500]

約数ペア:

[(1, 30972500), (2, 15486250), (4, 7743125), (5, 6194500), (10, 3097250), (13, 2382500), (20, 1548625), (25, 1238900), (26, 1191250), (50, 619450), (52, 595625), (65, 476500), (100, 309725), (125, 247780), (130, 238250), (250, 123890), (260, 119125), (325, 95300), (500, 61945), (625, 49556), (650, 47650), (953, 32500), (1250, 24778), (1300, 23825), (1625, 19060), (1906, 16250), (2500, 12389), (3250, 9530), (3812, 8125), (4765, 6500)]